github - ghsa-r3rm-p6c2-8q4w

GHSA-R3RM-P6C2-8Q4W

Vulnerability from github – Published: 2022-10-24 19:00 – Updated: 2022-10-24 19:00

Details

Multiple command injections and stack-based buffer overflows vulnerabilities in the SubNet_handler_func function of spx_restservice allow an attacker to execute arbitrary code with the same privileges as the server user (root). This issue affects: Lanner Inc IAC-AST2500A standard firmware version 1.10.0.

Severity ?

9.8 (Critical)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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  "aliases": [
    "CVE-2021-26727"
  ],
  "database_specific": {
    "cwe_ids": [
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    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-10-24T14:15:00Z",
    "severity": "CRITICAL"
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  "details": "Multiple command injections and stack-based buffer overflows vulnerabilities in the SubNet_handler_func function of spx_restservice allow an attacker to execute arbitrary code with the same privileges as the server user (root). This issue affects: Lanner Inc IAC-AST2500A standard firmware version 1.10.0.",
  "id": "GHSA-r3rm-p6c2-8q4w",
  "modified": "2022-10-24T19:00:18Z",
  "published": "2022-10-24T19:00:18Z",
  "references": [
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      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-26727"
    },
    {
      "type": "WEB",
      "url": "https://github.com/CVEProject/cvelist/blob/master/2021/26xxx/CVE-2021-26727.json"
    },
    {
      "type": "WEB",
      "url": "https://www.nozominetworks.com/blog/vulnerabilities-in-bmc-firmware-affect-ot-iot-device-security-part-1"
    },
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  "severity": [
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      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2021-26727 (GCVE-0-2021-26727)

Vulnerability from cvelistv5 – Published: 2022-10-24 00:00 – Updated: 2025-05-07 14:59

Summary

Severity ?

10 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CWE

CWE-94 - Improper Control of Generation of Code ('Code Injection')
CWE-121 - Stack-based Buffer Overflow

Assigner

Nozomi

References

URL

Tags

	https://www.nozominetworks.com/labs/vulnerability…
	https://www.nozominetworks.com/blog/vulnerabiliti…

Impacted products

	Vendor	Product	Version
	Lanner Inc	IAC-AST2500A	Affected: 1.10.0

Credits

Andrea Palanca of Nozomi Networks found this bug during a security research activity.

Show details on NVD website

JSON

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  "containers": {
    "adp": [
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        "providerMetadata": {
          "dateUpdated": "2024-08-03T20:33:41.312Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
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            "tags": [
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            "url": "https://www.nozominetworks.com/labs/vulnerability-advisories/cve-2021-26727/"
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            "url": "https://www.nozominetworks.com/blog/vulnerabilities-in-bmc-firmware-affect-ot-iot-device-security-part-1/"
          }
        ],
        "title": "CVE Program Container"
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      {
        "metrics": [
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              "content": {
                "id": "CVE-2021-26727",
                "options": [
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                    "Exploitation": "none"
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                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
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                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-05-07T14:59:14.003384Z",
                "version": "2.0.3"
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            "attackVector": "NETWORK",
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            "baseScore": 10,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
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        "advisory": "https://www.nozominetworks.com/labs/vulnerability-advisories/cve-2021-26727/",
        "discovery": "EXTERNAL"
      },
      "title": "spx_restservice SubNet_handler_func Multiple Command Injections and Stack-Based Buffer Overflows",
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    "datePublished": "2022-10-24T00:00:00.000Z",
    "dateReserved": "2021-02-05T00:00:00.000Z",
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    "state": "PUBLISHED"
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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-R3RM-P6C2-8Q4W

CVE-2021-26727 (GCVE-0-2021-26727)

Tags

Sightings

Nomenclature